chieu rong nen nha do la:8x3/4=6m dien h can phong do la :8x6=48m2
dien h vien gach hinh vuonh la:4x4=16cm2=0,16m2
lat nen nha thi het so ten mua gach la:20000x(48:0,16)=6000000(dong)
dap so :6000000dong
chieu rong nen nha do la:8x3/4=6m dien h can phong do la :8x6=48m2
dien h vien gach hinh vuonh la:4x4=16cm2=0,16m2
lat nen nha thi het so ten mua gach la:20000x(48:0,16)=6000000(dong)
dap so :6000000dong
mot nen nha hinh chu nhat co chieu dai 8m chieu rong =3/4 chieu dai ngui ta dung cac vien gach hih vuong canh 4 dm de lat nen nha do gia tien moi vien gach la 20000 dong hoi lat ca nen nha thi het ba nhieu tien mua gach
mot nen nha hinh chu nhat co chieu dai 8m, chieu rong bang 3/4 chieu dai.nguoi ta dung cac vien gach hinh vuong canh 4dm de lat nen nha, gia tien moi vien gach la 65000 dong.hoi lat ca nen nha thi het bao nhieu tien mua gach?
nguoi ta dung cac vien gach bong hinh vuong canh 4dm de lat nen nha hinh chu nhat co chieu dai 8m ,chieu rong 3/4; chieu dai gia tien moi vien gach la 24.000 dong.Hoi lat ca nen nha thu het bao nhieu tien mua gach
Mot nen nha hinh hop chu nhat co chieu dai 9m chieu rong bang 2/3 chieu dai . Nguoi ta lat nen nha bang cac vien gach hinh vuong canh 3dm. Moi vien gach gia 12000 dong . Tinh so tien mua gach de lat ca nen nha do
một nền nhà hình chữ nhật có chiều dài 8m ,chieu rong 3/4 chieu dai .
Nguoi ta dung cac vien gach hinh vuong cang 4 dm de lat nen nha do , gia tien moi vien gach la 20000 dong . hoi lat nen nha thi het bao nhieu tien mua gach ? ( Dien tich phan mach vua khong dang ke )
mot nen nha hinh chu nhat co chieu dai 9m, chieu rong bang 2/3 chieu dai. nguoi ta lat nen nha bang cac vien gach hinh vuong canh 3 dm. moi vien gach gia 12000 dong. tinh so tien mua gach de lat ca nen nha do. [dien tich phan gach vua ko dang ke].
mot can phong hinh chu nhat co chieu dai 9m, chieu rong bang 3/5 chieu dai . nguoi ta dung nhung vien gach hinh vuongco canh 30cm de lat nen can phong do , moi vien gach con gia 45000 dong va tien cong de lat nen la 30000 dong /m vuong . hoi tien mua gach va cong lat nen cua can phong do la bao nhieu dong ?
Mot nen nha hinh chu nhat co chieu rong 6 m,chieu dai bang 4/3 chieu rong.Nguoi ta dung cac vien gach hinh vuong canh 5 de lat nen nha do,moi vien gach gia 25 000 dong.Hoi phai het bao nhieu tien mua gach de lat kin nen nha do ?( Dien tich phan mach vua ko dang ke )
Mot nen nha hinh chu nhat co chu vi 20m, chieu dai hon chieu rong la 2m. Nguoi ta lat nen nha bang cac vien gach vuong canh 2dm. Biet rang 12 vien gach nay gia 42 000 dong. Hoi nguoi ta da mua het bao nhieu tien gach lat nen ? (Dien tich phan manh vua khong dang ke).